<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<HTML>
<HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=iso-iso-8859-1">
<LINK REL="Start" HREF="index.html">
<LINK REL="Contents" HREF="toc.html">
<LINK REL="Prev" HREF="104Usingacanvasscale.html">
<LINK REL="Next" HREF="11AntiSpamChallenges.html">
<STYLE TYPE="text/css"><!--
BODY { font-family: serif }
H1 { font-family: sans-serif }
H2 { font-family: sans-serif }
H3 { font-family: sans-serif }
H4 { font-family: sans-serif }
H5 { font-family: sans-serif }
H6 { font-family: sans-serif }
SUB { font-size: smaller }
SUP { font-size: smaller }
PRE { font-family: monospace }
A { text-decoration: none }
--></STYLE>
</HEAD>
<BODY>
<A HREF="toc.html">Contents</A>
<A HREF="104Usingacanvasscale.html">Previous</A>
<A HREF="11AntiSpamChallenges.html">Next</A>
<HR NOSHADE>
<H2><A NAME="10_5">10.5 Sample application: Drawing DB schema</A></H2>
<P> As a final example we shortly discuss how the canvas type of graph
 was used to generate the DB schema for the DDDA architecture.</P>
<P> The library php file &quot;utils/misc/imgdbschema.php&quot; included in the
 distribution contains some utility classes to make the drawing of table
 schemes easier. It contains two basic classes, Class ImgDBTable and
 Class ImgDBSchema. The first class understand how to draw an image
 illustrating a single table. The second class is responsible for
 automatically extract all the relevant information from a DB to draw a
 complete DB Schema.</P>
<P> Before going into this a little bit more we show what an example of
 this might look like.<DIV class="example">
<BR> <A href="exframes/frame_dbschemaex1.html" target="blank"><IMG border="0"
HEIGHT="750"       src="img/img/img/img/img/img/dbschemaex1.png" WIDTH="600"></A>
<BR><B>Figure 194:</B> Example of using the canvas graph style together
 with the imgdbschema.php library to semi-automatically generate a DB
 schema <A href="exframes/frame_dbschemaex1.html" target="blank">[src]</A>
&nbsp;
<P></P>
</DIV></P>
<P></P>
<P> Before going on it should be noted that the ImgDBSchema assumes that
 the DB can be accessed through a DB abstraction layer modeled after the
 abstraction layer available in the 'jpdb.php' file in the DDDA
 architecture. This abstraction layer assumes a MySQL database in the
 bottom. This specific dependency of this particular abstraction layer
 is the reason why these classes is not included in the generic canvas
 tools file.</P>
<P> The second thing to note is that this library does not contain a
 complete automatic-layout engine but rather a very simple automatic
 system which, if nothing else is specified, just puts the table in a
 rectangular grid. A complete graph layout engine would simple be to
 much to write in this context. This is also a very difficult
 optimization problem and sofar not even any of the available research
 programs that tries this can achieve a satisfactory layout without
 manual intervention.</P>
<P> The critical lines in the code to generate the above graph is<DIV class="phpscript">
<CODE><FONT color="#000000"> <FONT color="#0000BB">&nbsp;$tblposadj</FONT><FONT
color="#007700">=array(</FONT><FONT color="#0000BB">$tlo</FONT><FONT color="#007700">
,</FONT><FONT color="#0000BB">0</FONT><FONT color="#007700">,</FONT><FONT
color="#0000BB">$tblwidth</FONT><FONT color="#007700">+</FONT><FONT color="#0000BB">
$tlo</FONT><FONT color="#007700">+</FONT><FONT color="#0000BB">2</FONT><FONT
color="#007700">,</FONT><FONT color="#0000BB">0</FONT><FONT color="#007700">
,</FONT><FONT color="#0000BB">2</FONT><FONT color="#007700">*</FONT><FONT
color="#0000BB">$tblwidth</FONT><FONT color="#007700">+</FONT><FONT color="#0000BB">
$tlo</FONT><FONT color="#007700">+</FONT><FONT color="#0000BB">4</FONT><FONT
color="#007700">,</FONT><FONT color="#0000BB">0</FONT><FONT color="#007700">
,-</FONT><FONT color="#0000BB">1</FONT><FONT color="#007700">,</FONT><FONT
color="#0000BB">16</FONT><FONT color="#007700">,-</FONT><FONT color="#0000BB">
1</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">16</FONT><FONT
color="#007700">);
<BR></FONT><FONT color="#0000BB">$dbschema&nbsp;</FONT><FONT color="#007700">
=&nbsp;new&nbsp;</FONT><FONT color="#0000BB">ImgDBSchema</FONT><FONT color="#007700">
(</FONT><FONT color="#DD0000">&quot;jpgraph_doc&quot;</FONT><FONT color="#007700">
,</FONT><FONT color="#DD0000">&quot;FormatTblName&quot;</FONT><FONT color="#007700">
,</FONT><FONT color="#DD0000">&quot;FormatFldName&quot;</FONT><FONT color="#007700">
);
<BR></FONT><FONT color="#0000BB">$dbschema</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">SetMargin</FONT><FONT color="#007700">(</FONT><FONT
color="#0000BB">$leftm</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">
$topm</FONT><FONT color="#007700">);
<BR></FONT><FONT color="#0000BB">$dbschema</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">SetTableWidth</FONT><FONT color="#007700">
(</FONT><FONT color="#0000BB">$tblwidth</FONT><FONT color="#007700">);
<BR></FONT><FONT color="#0000BB">$dbschema</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">Stroke</FONT><FONT color="#007700">(</FONT><FONT
color="#0000BB">$this</FONT><FONT color="#007700">-&gt;</FONT><FONT color="#0000BB">
img</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">$this</FONT><FONT
color="#007700">-&gt;</FONT><FONT color="#0000BB">iscale</FONT><FONT color="#007700">
,</FONT><FONT color="#0000BB">$tblposadj</FONT><FONT color="#007700">);</FONT><FONT
color="#0000BB"></FONT></FONT></CODE></DIV></P>
<P></P>
<P> The rest of the code in the file is just to setup the canvas, add an
 indented rectangle to group some tables and generate a footer with the
 date and time this image was generated.</P>
<P> The first line instantiates a new ImgDBSCheme layout engine asking
 it to draw an image for the database 'jpgraph_doc'. The following two
 arguments specify two callback functions for formatting the text for
 header and each field in a table.</P>
<P> The next line specify the top left margin where the drawing of the
 tables should be started.</P>
<P> The third line specify the width of a single table. The final lines
 starts the engine and draws all tables in the database to the canvas.
 The final argument requires some further explanation. This is an offset
 (x,y) from the top left corner how each individual table should be
 positioned. If the value is -1 indicates that the default value should
 be used. If this array is not specified then the tables will simple
 arranged line by line.</P>
<P> The full source code for drawing this DB schema example is shown
 below.</P>
<P><DIV class="phpscript">(File: dbschemaex1.php)
<BR><CODE><FONT color="#000000"> <FONT color="#0000BB">&lt;?php
<BR></FONT><FONT color="#FF8000">
/*=======================================================================
<BR>//&nbsp;File:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;DBSCHEMAEX1.PHP
<BR>//&nbsp;Description:&nbsp;&nbsp;&nbsp;&nbsp;Draw&nbsp;a&nbsp;DB&nbsp;schema&nbsp;of&nbsp;the&nbsp;DDDA&nbsp;architecture
<BR>//&nbsp;Created:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2002-08-25
<BR>//&nbsp;Author:&nbsp;&nbsp;&nbsp;&nbsp;Johan&nbsp;Persson&nbsp;(johanp@aditus.nu)
<BR>
//&nbsp;Ver:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$Id:&nbsp;dbschemaex1.php,v&nbsp;1.1&nbsp;2002/08/27&nbsp;20:08:57&nbsp;aditus&nbsp;Exp&nbsp;$
<BR>//
<BR>//&nbsp;License:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This&nbsp;code&nbsp;is&nbsp;released&nbsp;under&nbsp;QPL
<BR>//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Copyright&nbsp;(C)&nbsp;2001,2002&nbsp;Johan&nbsp;Persson
<BR>
//&nbsp;Note:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The&nbsp;actual&nbsp;drawing&nbsp;of&nbsp;the&nbsp;tables&nbsp;are&nbsp;semi-automatically
<BR>
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;but&nbsp;you&nbsp;can&nbsp;easily&nbsp;adjust&nbsp;the&nbsp;individual&nbsp;tables&nbsp;position
<BR>//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;with&nbsp;the&nbsp;'tblposadj'&nbsp;array.&nbsp;
<BR>//
<BR>
//========================================================================
<BR>*/
<BR></FONT><FONT color="#007700">include&nbsp;</FONT><FONT color="#DD0000">
&quot;../jpgraph.php&quot;</FONT><FONT color="#007700">;
<BR>include&nbsp;</FONT><FONT color="#DD0000">&quot;../jpgraph_canvas.php&quot;</FONT><FONT
color="#007700">;
<BR>include&nbsp;</FONT><FONT color="#DD0000">&quot;../jpgraph_canvtools.php&quot;</FONT><FONT
color="#007700">;
<BR>include&nbsp;</FONT><FONT color="#DD0000">&quot;../utils/misc/imgdbschema.inc&quot;</FONT><FONT
color="#007700">;
<BR>include&nbsp;</FONT><FONT color="#DD0000">&quot;../utils/jpdocgen/jpdb.php&quot;</FONT><FONT
color="#007700">;
<BR>
<BR>
<BR></FONT><FONT color="#FF8000">
//&nbsp;Global&nbsp;callback&nbsp;to&nbsp;format&nbsp;the&nbsp;table&nbsp;header&nbsp;names
<BR></FONT><FONT color="#007700">function&nbsp;</FONT><FONT color="#0000BB">
FormatTblName</FONT><FONT color="#007700">(</FONT><FONT color="#0000BB">
$aName</FONT><FONT color="#007700">)&nbsp;{
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#FF8000">
//&nbsp;We&nbsp;want&nbsp;to&nbsp;replace&nbsp;any&nbsp;specifi&nbsp;references&nbsp;to&nbsp;the
<BR>&nbsp;&nbsp;&nbsp;&nbsp;//&nbsp;'JpGraph'&nbsp;project&nbsp;with&nbsp;the&nbsp;generic&nbsp;'&lt;project&gt;'
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#007700">return&nbsp;</FONT><FONT color="#0000BB">
str_replace</FONT><FONT color="#007700">(</FONT><FONT color="#DD0000">
'JpGraph'</FONT><FONT color="#007700">,</FONT><FONT color="#DD0000">
'&lt;project&gt;'</FONT><FONT color="#007700">,&nbsp;</FONT><FONT color="#0000BB">
$aName</FONT><FONT color="#007700">);
<BR>}
<BR>
<BR></FONT><FONT color="#FF8000">
//&nbsp;Global&nbsp;callback&nbsp;to&nbsp;format&nbsp;each&nbsp;field&nbsp;name&nbsp;in&nbsp;the&nbsp;table
<BR></FONT><FONT color="#007700">function&nbsp;</FONT><FONT color="#0000BB">
FormatFldName</FONT><FONT color="#007700">(</FONT><FONT color="#0000BB">
$aName</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">$aTable</FONT><FONT
color="#007700">)&nbsp;{
<BR>&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</FONT><FONT color="#0000BB">$aName</FONT><FONT color="#007700">
;
<BR>}
<BR>
<BR>
<BR>class&nbsp;</FONT><FONT color="#0000BB">Driver&nbsp;</FONT><FONT color="#007700">
{
<BR>
<BR>&nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;</FONT><FONT color="#0000BB">$ig</FONT><FONT color="#007700">
,&nbsp;</FONT><FONT color="#0000BB">$img</FONT><FONT color="#007700">,&nbsp;</FONT><FONT
color="#0000BB">$iscale</FONT><FONT color="#007700">,&nbsp;</FONT><FONT color="#0000BB">
$ishape</FONT><FONT color="#007700">;
<BR>&nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;</FONT><FONT color="#0000BB">$iymax</FONT><FONT color="#007700">
,</FONT><FONT color="#0000BB">$ixmax</FONT><FONT color="#007700">;
<BR>&nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;</FONT><FONT color="#0000BB">$iwidth</FONT><FONT color="#007700">
,</FONT><FONT color="#0000BB">$iheight</FONT><FONT color="#007700">;
<BR>
<BR>&nbsp;&nbsp;&nbsp;&nbsp;function&nbsp;</FONT><FONT color="#0000BB">Driver</FONT><FONT color="#007700">
()&nbsp;{
<BR>
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#FF8000">
//&nbsp;Define&nbsp;Image&nbsp;size&nbsp;and&nbsp;coordinate&nbsp;grid&nbsp;space&nbsp;to&nbsp;work&nbsp;within
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$this</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">iwidth&nbsp;</FONT><FONT color="#007700">=&nbsp;</FONT><FONT
color="#0000BB">600</FONT><FONT color="#007700">;
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$this</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">iheight</FONT><FONT color="#007700">=&nbsp;</FONT><FONT
color="#0000BB">750</FONT><FONT color="#007700">;
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$this</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">iymax&nbsp;&nbsp;</FONT><FONT color="#007700">=&nbsp;</FONT><FONT
color="#0000BB">50</FONT><FONT color="#007700">;
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$this</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">ixmax&nbsp;&nbsp;</FONT><FONT color="#007700">=&nbsp;</FONT><FONT
color="#0000BB">55</FONT><FONT color="#007700">;
<BR>
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#FF8000">//&nbsp;Setup&nbsp;a&nbsp;basic&nbsp;canvas
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$this</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">ig&nbsp;</FONT><FONT color="#007700">=&nbsp;new&nbsp;</FONT><FONT
color="#0000BB">CanvasGraph</FONT><FONT color="#007700">(</FONT><FONT color="#0000BB">
$this</FONT><FONT color="#007700">-&gt;</FONT><FONT color="#0000BB">iwidth</FONT><FONT
color="#007700">,</FONT><FONT color="#0000BB">$this</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">iheight</FONT><FONT color="#007700">,</FONT><FONT
color="#DD0000">'auto'</FONT><FONT color="#007700">);
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$this</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">img&nbsp;</FONT><FONT color="#007700">=&nbsp;</FONT><FONT
color="#0000BB">$this</FONT><FONT color="#007700">-&gt;</FONT><FONT color="#0000BB">
ig</FONT><FONT color="#007700">-&gt;</FONT><FONT color="#0000BB">img</FONT><FONT
color="#007700">;
<BR>
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#FF8000">//&nbsp;Define&nbsp;the&nbsp;scale&nbsp;to&nbsp;be&nbsp;used
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$this</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">iscale&nbsp;</FONT><FONT color="#007700">
=&nbsp;new&nbsp;</FONT><FONT color="#0000BB">CanvasScale</FONT><FONT color="#007700">
(</FONT><FONT color="#0000BB">$this</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">ig</FONT><FONT color="#007700">);
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$this</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">iscale</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">Set</FONT><FONT color="#007700">(</FONT><FONT color="#0000BB">
0</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">$this</FONT><FONT
color="#007700">-&gt;</FONT><FONT color="#0000BB">ixmax</FONT><FONT color="#007700">
,</FONT><FONT color="#0000BB">0</FONT><FONT color="#007700">,</FONT><FONT
color="#0000BB">$this</FONT><FONT color="#007700">-&gt;</FONT><FONT color="#0000BB">
iymax</FONT><FONT color="#007700">);
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$this</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">ishape&nbsp;</FONT><FONT color="#007700">
=&nbsp;new&nbsp;</FONT><FONT color="#0000BB">Shape</FONT><FONT color="#007700">(</FONT><FONT
color="#0000BB">$this</FONT><FONT color="#007700">-&gt;</FONT><FONT color="#0000BB">
ig</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">$this</FONT><FONT
color="#007700">-&gt;</FONT><FONT color="#0000BB">iscale</FONT><FONT color="#007700">
);
<BR>
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#FF8000">//&nbsp;A&nbsp;small&nbsp;frame&nbsp;around&nbsp;the&nbsp;canvas
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$this</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">ig</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">SetMargin</FONT><FONT color="#007700">(</FONT><FONT color="#0000BB">
2</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">3</FONT><FONT
color="#007700">,</FONT><FONT color="#0000BB">2</FONT><FONT color="#007700">
,</FONT><FONT color="#0000BB">3</FONT><FONT color="#007700">);
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$this</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">ig</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">SetMarginColor</FONT><FONT color="#007700">(</FONT><FONT color="#DD0000">
&quot;teal&quot;</FONT><FONT color="#007700">);
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$this</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">ig</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">InitFrame</FONT><FONT color="#007700">();
<BR>
<BR>&nbsp;&nbsp;&nbsp;&nbsp;}
<BR>
<BR>&nbsp;&nbsp;&nbsp;&nbsp;function&nbsp;</FONT><FONT color="#0000BB">Run</FONT><FONT color="#007700">
()&nbsp;{
<BR>
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$leftm</FONT><FONT color="#007700">
=</FONT><FONT color="#0000BB">1.5</FONT><FONT color="#007700">;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT
color="#FF8000">//&nbsp;Left&nbsp;margin&nbsp;(for&nbsp;table&nbsp;schemes)&nbsp;
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$topm</FONT><FONT color="#007700">=</FONT><FONT
color="#0000BB">5</FONT><FONT color="#007700">;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#FF8000">
//&nbsp;Top&nbsp;margin&nbsp;(for&nbsp;table&nbsp;schemes)&nbsp;
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$tblwidth</FONT><FONT color="#007700">
=</FONT><FONT color="#0000BB">15</FONT><FONT color="#007700">;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT
color="#FF8000">//&nbsp;Individual&nbsp;table&nbsp;width
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$tlo</FONT><FONT color="#007700">=</FONT><FONT
color="#0000BB">1</FONT><FONT color="#007700">;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#FF8000">
//&nbsp;Offset&nbsp;for&nbsp;top&nbsp;line
<BR>
<BR>&nbsp;&nbsp;&nbsp;&nbsp;//&nbsp;Add&nbsp;the&nbsp;background&nbsp;color&nbsp;for&nbsp;the&nbsp;project&nbsp;specific&nbsp;tables
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$this</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">ishape</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">IndentedRectangle</FONT><FONT color="#007700">(</FONT><FONT
color="#0000BB">$leftm</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">
$topm</FONT><FONT color="#007700">-</FONT><FONT color="#0000BB">1</FONT><FONT
color="#007700">,</FONT><FONT color="#0000BB">3</FONT><FONT color="#007700">
*</FONT><FONT color="#0000BB">$tblwidth</FONT><FONT color="#007700">+</FONT><FONT
color="#0000BB">$tlo</FONT><FONT color="#007700">+</FONT><FONT color="#0000BB">
6</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">45</FONT><FONT
color="#007700">,
<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$tlo</FONT><FONT color="#007700">
+</FONT><FONT color="#0000BB">2</FONT><FONT color="#007700">*</FONT><FONT
color="#0000BB">$tblwidth</FONT><FONT color="#007700">+</FONT><FONT color="#0000BB">
2</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">30</FONT><FONT
color="#007700">,</FONT><FONT color="#0000BB">CORNER_BOTTOMLEFT</FONT><FONT
color="#007700">,
<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#DD0000">'lightblue'</FONT><FONT
color="#007700">);
<BR>
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#FF8000">
//&nbsp;Stroke&nbsp;the&nbsp;tables&nbsp;(series&nbsp;of&nbsp;x,y&nbsp;offsets,&nbsp;If&nbsp;=-1&nbsp;then&nbsp;use&nbsp;the
<BR>&nbsp;&nbsp;&nbsp;&nbsp;//&nbsp;automtic&nbsp;positioning
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$tblposadj</FONT><FONT color="#007700">
=array(</FONT><FONT color="#0000BB">$tlo</FONT><FONT color="#007700">,</FONT><FONT
color="#0000BB">0</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">
$tblwidth</FONT><FONT color="#007700">+</FONT><FONT color="#0000BB">$tlo</FONT><FONT
color="#007700">+</FONT><FONT color="#0000BB">2</FONT><FONT color="#007700">
,</FONT><FONT color="#0000BB">0</FONT><FONT color="#007700">,</FONT><FONT
color="#0000BB">2</FONT><FONT color="#007700">*</FONT><FONT color="#0000BB">
$tblwidth</FONT><FONT color="#007700">+</FONT><FONT color="#0000BB">$tlo</FONT><FONT
color="#007700">+</FONT><FONT color="#0000BB">4</FONT><FONT color="#007700">
,
<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">0</FONT><FONT color="#007700">
,-</FONT><FONT color="#0000BB">1</FONT><FONT color="#007700">,</FONT><FONT
color="#0000BB">16</FONT><FONT color="#007700">,-</FONT><FONT color="#0000BB">
1</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">16</FONT><FONT
color="#007700">);
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$dbschema&nbsp;</FONT><FONT color="#007700">
=&nbsp;new&nbsp;</FONT><FONT color="#0000BB">ImgDBSchema</FONT><FONT color="#007700">
(</FONT><FONT color="#DD0000">'jpgraph_doc'</FONT><FONT color="#007700">
,</FONT><FONT color="#DD0000">'FormatTblName'</FONT><FONT color="#007700">
,</FONT><FONT color="#DD0000">'FormatFldName'</FONT><FONT color="#007700">
);
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$dbschema</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">SetMargin</FONT><FONT color="#007700">(</FONT><FONT
color="#0000BB">$leftm</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">
$topm</FONT><FONT color="#007700">);
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$dbschema</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">SetTableWidth</FONT><FONT color="#007700">
(</FONT><FONT color="#0000BB">$tblwidth</FONT><FONT color="#007700">);
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$dbschema</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">Stroke</FONT><FONT color="#007700">(</FONT><FONT
color="#0000BB">$this</FONT><FONT color="#007700">-&gt;</FONT><FONT color="#0000BB">
img</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">$this</FONT><FONT
color="#007700">-&gt;</FONT><FONT color="#0000BB">iscale</FONT><FONT color="#007700">
,</FONT><FONT color="#0000BB">$tblposadj</FONT><FONT color="#007700">);
<BR>
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$tt&nbsp;</FONT><FONT color="#007700">
=&nbsp;new&nbsp;</FONT><FONT color="#0000BB">CanvasRectangleText</FONT><FONT color="#007700">
();
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$tt</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">SetFillColor</FONT><FONT color="#007700">(</FONT><FONT color="#DD0000">
''</FONT><FONT color="#007700">);
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$tt</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">SetColor</FONT><FONT color="#007700">(</FONT><FONT color="#DD0000">
''</FONT><FONT color="#007700">);
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$tt</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">SetFontColor</FONT><FONT color="#007700">(</FONT><FONT color="#DD0000">
'navy'</FONT><FONT color="#007700">);
<BR>
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#FF8000">//&nbsp;Add&nbsp;explanation
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$tt</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">SetFont</FONT><FONT color="#007700">(</FONT><FONT color="#0000BB">
FF_ARIAL</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">
FS_NORMAL</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">12</FONT><FONT
color="#007700">);
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$tt</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">Set</FONT><FONT color="#007700">(</FONT><FONT color="#DD0000">
'Project&nbsp;specific&nbsp;tables'</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">
$tblwidth</FONT><FONT color="#007700">+</FONT><FONT color="#0000BB">
$leftm</FONT><FONT color="#007700">+</FONT><FONT color="#0000BB">3</FONT><FONT
color="#007700">,</FONT><FONT color="#0000BB">16</FONT><FONT color="#007700">
,</FONT><FONT color="#0000BB">15</FONT><FONT color="#007700">);
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$tt</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">Stroke</FONT><FONT color="#007700">(</FONT><FONT color="#0000BB">
$this</FONT><FONT color="#007700">-&gt;</FONT><FONT color="#0000BB">img</FONT><FONT
color="#007700">,</FONT><FONT color="#0000BB">$this</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">iscale</FONT><FONT color="#007700">);
<BR>
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#FF8000">//&nbsp;Add&nbsp;title
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$tt</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">SetColor</FONT><FONT color="#007700">(</FONT><FONT color="#DD0000">
''</FONT><FONT color="#007700">);
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$tt</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">SetFont</FONT><FONT color="#007700">(</FONT><FONT color="#0000BB">
FF_VERDANA</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">
FS_BOLD</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">26</FONT><FONT
color="#007700">);
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$tt</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">Set</FONT><FONT color="#007700">(</FONT><FONT color="#DD0000">
'DDDA&nbsp;-&nbsp;DB&nbsp;Schema'</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">
9</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">0.5</FONT><FONT
color="#007700">,</FONT><FONT color="#0000BB">30</FONT><FONT color="#007700">
);
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$tt</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">Stroke</FONT><FONT color="#007700">(</FONT><FONT color="#0000BB">
$this</FONT><FONT color="#007700">-&gt;</FONT><FONT color="#0000BB">img</FONT><FONT
color="#007700">,</FONT><FONT color="#0000BB">$this</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">iscale</FONT><FONT color="#007700">);
<BR>
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#FF8000">//&nbsp;Add&nbsp;a&nbsp;version&nbsp;and&nbsp;date
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$tt</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">SetFillColor</FONT><FONT color="#007700">(</FONT><FONT color="#DD0000">
'yellow'</FONT><FONT color="#007700">);
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$tt</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">SetFont</FONT><FONT color="#007700">(</FONT><FONT color="#0000BB">
FF_FONT1</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">
FS_NORMAL</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">10</FONT><FONT
color="#007700">);
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$tt</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">Set</FONT><FONT color="#007700">(</FONT><FONT color="#DD0000">
&quot;Generated:&nbsp;&quot;</FONT><FONT color="#007700">.</FONT><FONT color="#0000BB">
date</FONT><FONT color="#007700">(</FONT><FONT color="#DD0000">&quot;ymd&nbsp;H:i&quot;</FONT><FONT
color="#007700">,</FONT><FONT color="#0000BB">time</FONT><FONT color="#007700">
()),</FONT><FONT color="#0000BB">1</FONT><FONT color="#007700">,</FONT><FONT
color="#0000BB">$this</FONT><FONT color="#007700">-&gt;</FONT><FONT color="#0000BB">
iymax</FONT><FONT color="#007700">*</FONT><FONT color="#0000BB">0.96</FONT><FONT
color="#007700">,</FONT><FONT color="#0000BB">15</FONT><FONT color="#007700">
);&nbsp;
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$tt</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">Stroke</FONT><FONT color="#007700">(</FONT><FONT color="#0000BB">
$this</FONT><FONT color="#007700">-&gt;</FONT><FONT color="#0000BB">img</FONT><FONT
color="#007700">,</FONT><FONT color="#0000BB">$this</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">iscale</FONT><FONT color="#007700">);
<BR>
<BR>&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT color="#0000BB">$this</FONT><FONT color="#007700">
-&gt;</FONT><FONT color="#0000BB">ig</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">Stroke</FONT><FONT color="#007700">();
<BR>&nbsp;&nbsp;&nbsp;&nbsp;}
<BR>}
<BR>
<BR></FONT><FONT color="#0000BB">$driver&nbsp;</FONT><FONT color="#007700">
=&nbsp;new&nbsp;</FONT><FONT color="#0000BB">Driver</FONT><FONT color="#007700">
();
<BR></FONT><FONT color="#0000BB">$driver</FONT><FONT color="#007700">-&gt;</FONT><FONT
color="#0000BB">Run</FONT><FONT color="#007700">();
<BR>
<BR></FONT><FONT color="#0000BB">?&gt;
<BR></FONT>
<BR></FONT></CODE></DIV></P>
<HR NOSHADE>
<A HREF="toc.html">Contents</A>
<A HREF="104Usingacanvasscale.html">Previous</A>
<A HREF="11AntiSpamChallenges.html">Next</A>
</BODY>
</HTML>
